Cooktop



FIG. 1 is a top perspective view of a cooktop illustrating the ornamental design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a right side elevational view thereof.

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

FIGS. 3-6 are shown on an enlarged scale.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cooktop, as shown and described. 